The upcoming sci-fi anime film Break of Dawn has revealed additional voice cast members who will join the production. The film is scheduled to premiere in Japanese theaters in October 2022.
The new voice cast members include Natsumi Fujiwara as Shingo Kishi, Nobuhiko Okamoto as Ginnosuke Tadokoro, Inori Minase as Honoka Kawai, Haruka Tomatsu as Wako Kishi, and Romi Park as Nigatsu no Remei-Gou. They join main voice actresses Hana Sugisaki as Yuuma Sawatari and Aoi Yuuki as Nanako.

The film’s production staff includes Tomoyuki Kurokawa (Concrete Revolutio) as director, Dai Satou (YUREI DECO) as script writer, pomodorosa (Listeners) as original character and concept designer, Takahiko Yoshida (Cells at Work) as chief animation supervisor and anime character designer, and Masaru Yokoyama (Classroom of the Elite II) as music composer. Zero-G is handling the film’s animation production.
Tetsuya Imai’s original manga series was first serialized in Kodansha’s Monthly Afternoon magazine from January 25, 2011 to October 25, 2011. It concluded with two total tankoubon volumes released.

Anime News Network describes the synopsis as:
In the near-future year of 2049 the humanity has become aware for a number of years that the Earth will have an unavoidable collision with a large-scale comet. Yuuma is a boy obsessed with space, robots, and the impending collision. He has an encounter with an extraterrestrial being, which he finds out is connected to the incoming comet.
Source: Break of Dawn Official Twitter